If given a piecewise function, f(x)={x^2 for x<0; 2 for 0<=x<=2; x-1
for x>2. How should I format the graph calculator (TI-83/83+/84+) in order to
obtain a disconnected graph instead of getting a connecting graph throughout the
domain of the function?

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
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